<%@ page language="java"
	import="com.gy.sams.dao.*,com.gy.sams.dao.impl.*,com.gy.sams.entity.*"
	contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%
	if(session.getAttribute("user")!=null){
		session.removeAttribute("user");
		out.print("<script type='text/javascript'>alert('退出成功');location.replace('../index.jsp')</script>");
	}
%>